APTOS HILLS MUTUAL WATER CO

WATSONVILLE, CA · ~32 people served

Check your exact address → WATSONVILLE overview

100

Excellent

PurityRadar safety score

PWSID

CA4400634

State

California

City

WATSONVILLE

Population served

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2023. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jan 2009 Resolved

Max contaminant level (MCL) · Total coliform health-based began Nov 2008 Resolved

Monitoring & reporting · Total coliform began Mar 2008 Resolved

Monitoring & reporting · Total coliform began Oct 2006 Resolved

Monitoring & reporting · Total coliform began Jul 2006 Resolved

Monitoring & reporting · Total coliform began Sep 2005 Resolved

Monitoring & reporting · Total coliform began Aug 2005 Resolved

Recent enforcement actions

State action · SOX Apr 2023
State action · SIA Apr 2009
State action · SIE Apr 2009
State action · SIA Dec 2008
State action · SIE Dec 2008
State action · SIA Apr 2008
State action · SIE Apr 2008
State action · SIE Nov 2006

This profile is built from EPA public records for system CA4400634 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.